– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Sat 31 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Sat 31 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Sat 31 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 33mm), heaviest during Sun morning. Very mild (max 11°C on Tue morning, min 5°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Very mild (max 17°C on Wed morning, min 10°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  |  |  |  |  |  | | | | | | | |
light rain | heavy rain | mod. rain | rain shwrs | mod. rain | light rain | some clouds | cloudy | some clouds | cloudy | rain shwrs | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
4 | 15 | 5 | 1.6 | 6 | 1.6 | — | — | — | — | 0.1 | — | — | — | — | — | — | — | — | |
max °C | 10 | 7 | 6 | 6 | 5 | 6 | 7 | 11 | 11 | 11 | 17 | 15 | 11 | 17 | 16 | 12 | 14 | 13 | 9 |
min °C | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 10 | 9 | 10 | 13 | 12 | 11 | 14 | 12 | 11 | 13 | 10 | 7 |
4 | 4 | 5 | 3 | 3 | 3 | 6 | 10 | 9 | 10 | 13 | 12 | 11 | 14 | 12 | 11 | 13 | 10 | 7 | |
2350 | 1500 | 1600 | 1500 | 1350 | 1550 | 2200 | 2850 | 2900 | 2850 | 3000 | 3200 | 3250 | 3500 | 3550 | 3600 | 3100 | 2850 | 2500 | |
Cloud base (m) | 750 | 600 | 750 | 850 | 600 | 1000 | 2150 | 3950 | 2550 | 2600 | 8350 | 8100 | 6350 | 6000 | 6600 | ||||
 | — | 7:37 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — | 7:31 | — | — | 7:30 | — | — |
 | — | — | 5:06 | — | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — | — | 5:12 | — | — | 5:14 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 33mm), heaviest during Sun morning. Very mild (max 11°C on Tue morning, min 5°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Very mild (max 17°C on Wed morning, min 10°C on Tue night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.